complex

== English == === Etymology === From French complexe, from Latin complexus, past participle of complector (“to entwine, encircle, compass, infold”), from com- (“together”) and plectō (“to weave, braid”). May be analyzed as com- +‎ -plex. See complect. Doublet of complexus. === Pronunciation === Adjective: (Received Pronunciation) IPA(key): /ˈkɒmplɛks/, /kəmˈplɛks/ (General American) enPR: kəmplĕks, kŏm'plĕks; IPA(key): /kɑmˈplɛks/, /kəm-/, /ˈkɑmˌplɛks/ Rhymes: -ɛks Noun: (Received Pronunciation) IPA(key): /ˈkɒmplɛks/ (General American) enPR: kŏm'plĕks, IPA(key): /ˈkɑmˌplɛks/ Hyphenation: com‧plex === Adjective === complex (comparative more complex or (nonstandard) complexer, superlative most complex or (nonstandard) complexest) Made up of multiple parts; composite; not simple. a complex being; a complex idea Not simple, easy, or straightforward; complicated. Synonyms: complicated, detailed, difficult, hard, intricate, involved, tough; see also Thesaurus:complex Antonyms: basic, easy, simple, simplex, straightforward; see also Thesaurus:easy (mathematics, of a number) Having the form a + bi, where a and b are real numbers and i is (by definition) the imaginary square root of −1. complex number function of a complex variable (mathematics, mathematical analysis, of a function) Whose range is a subset of the complex numbers. complex function (mathematics, algebra) Whose coefficients are complex numbers; defined over the field of complex numbers. complex polynomial complex algebraic variety (geometry) A curve, polygon or other figure that crosses or intersects itself. ==== Derived terms ==== ==== Related terms ==== complexion (mathematics): symplectic ==== Translations ==== === Noun === complex (plural complexes or (nonstandard) complices) A network of interconnected systems. military–industrial complex A collection of buildings with a common purpose, such as a university or military base. An assemblage of related things; a collection. An organized cluster of thunderstorms. A cluster of wildfires burning in the same vicinity. (taxonomy) A group of closely related species, often distinguished only with difficulty by traditional morphological methods. Synonyms: species complex, species group, species aggregate Hyponyms: species flock, superspecies (psychology) A group of emotionally charged ideas or mental factors, unconsciously associated by the individual with a particular subject, arising from repressed instincts, fears, or desires and often resulting in mental abnormality. Synonym: constellation A fixed mental tendency or obsession. (chemistry) A structure consisting of a central atom or molecule weakly connected to surrounding atoms or molecules, as for example coordination compounds in inorganic chemistry and protein complexes in biochemistry. (mathematics) A complex number. (linguistics) A multimorphemic word, one with several parts, one with affixes. ==== Derived terms ==== ==== Translations ==== === Verb === complex (third-person singular simple present complexes, present participle complexing, simple past and past participle complexed) (chemistry, intransitive) To form a complex with another substance. (transitive) To complicate. ==== Translations ==== === References === “complex, n.”, in OED Online ⁠, Oxford: Oxford University Press, launched 2000. === Further reading === complex on Wikipedia.Wikipedia William Dwight Whitney, Benjamin Eli Smith, editors (1895–1910), “complex”, in The Century Dictionary and Cyclopedia: […], New York, N.Y.: The Century Co., →OCLC. “complex”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC. “complex”, in OneLook Dictionary Search. == Catalan == === Etymology === Borrowed from Latin complexus. === Pronunciation === IPA(key): (Northern) [kumˈple̞ks] IPA(key): (Balearic, Valencia, Northwestern) [komˈplɛks] IPA(key): (Central) [kumˈplɛks] === Adjective === complex (feminine complexa, masculine plural complexos, feminine plural complexes) complex (made up of multiple parts; composite; not simple) Synonym: compost Antonyms: simple, senzill complex (complicated, not simple, easy or straightforward) Synonyms: complicat, embolicat Antonyms: simple, senzill ==== Derived terms ==== nombre complex ==== Related terms ==== complexitat === Noun === complex m (plural complexos) collection (a set of things or parts related to each other) complex (e.g. of buildings) (psychoanalysis, psychology, chemistry) complex (mathematics) complex number, complex === Further reading === “complex”, in Diccionari de la llengua catalana [Dictionary of the Catalan Language] (in Catalan), second edition, Institute of Catalan Studies [Catalan: Institut d'Estudis Catalans], April 2007 “complex”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2026 “complex” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua. Alcover, Antoni Maria; Moll, Francesc de Borja (1963), “complex”, in Diccionari català-valencià-balear (in Catalan) == Dutch == === Etymology === Borrowed from French complexe or German komplex, from Latin complexus. === Pronunciation === IPA(key): /kɔmˈplɛks/ Hyphenation: com‧plex Rhymes: -ɛks === Adjective === complex (comparative complexer, superlative meest complex or complext) complex (composite) complex (complicated) (mathematics) complex (containing an imaginary component or involving imaginary numbers) ==== Declension ==== ==== Derived terms ==== ==== Descendants ==== → Indonesian: kompleks === Noun === complex n (plural complexen, diminutive complexje n) complex (collection of buildings or facilities with a common purpose) (psychoanalysis) complex (abnormal mental state caused by repression) ==== Derived terms ==== ==== Related terms ==== ==== Descendants ==== → Indonesian: kompleks == German == === Adjective === complex (strong nominative masculine singular complexer, comparative complexer, superlative am complexesten) Obsolete spelling of komplex which was deprecated in 1902 following the Second Orthographic Conference of 1901. ==== Declension ==== == Latin == === Etymology === From con- + plicō. === Pronunciation === (Classical Latin) IPA(key): [ˈkɔm.pɫɛks] (modern Italianate Ecclesiastical) IPA(key): [ˈkɔm.pleks] === Adjective === complex (genitive complicis); third-declension one-termination adjective closely connected, confederate, participant of the twelve Olympians (Jūnō, Vesta, Minerva, Cerēs, Dīana, Venus, Mārs, Mercurius, Jūpiter, Neptūnus, Vulcānus, Apollō) Synonym: cōnsēns ==== Declension ==== Third-declension one-termination adjective. ==== Notes ==== No direct connection to the English adjective complex, which is from Latin complexus with an etymologically related, yet different stem. The twelve Olympians were also called dī complicēs. === Noun === complex m or f (genitive complicis); third declension participant, confederate, accomplice ==== Declension ==== Third-declension noun. === Descendants === === References === “complex”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press "complices", in Charles du Fresne du Cange, Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887) “complex”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette. == Romanian == === Etymology === Borrowed from French complexe, from Latin complexus. === Pronunciation === IPA(key): [komˈpleks] === Adjective === complex m or n (feminine singular complexă, masculine plural complecși, feminine/neuter plural complexe) complex Antonym: simplu ==== Declension ==== ==== Related terms ==== complexitate === Further reading === “complex”, in DEX online—Dicționare ale limbii române (Dictionaries of the Romanian language) (in Romanian), 2004–2026